Irwan C, Hatidja D, Prang JD, Nainggolan N. Application of ARIMA Method in Predicting Volume of Clean Water Usage in Manado City. JIS [Internet]. 2026 Oct. 31 [cited 2026 Nov. 6];26(2):163-75. Available from: https://ejournal.unsrat.ac.id/v3/index.php/JIS/article/view/58295